Of what people is it said, “Though thou exalt thyself as the eagle, and though thou set thy nest among the stars, thence will I bring thee down, saith the Lord”? And who wrote it?

Of what people is it said, “Though thou exalt thyself as the eagle, and though thou set thy nest among the stars, thence will I bring thee down, saith the Lord”? And who wrote it?
Answer:-Said to the Edomites by Obadiah; (verse 4).